11540232 has 80 divisors (see below), whose sum is σ = 35283600. Its totient is φ = 3494880.

The previous prime is 11540203. The next prime is 11540233. The reversal of 11540232 is 23204511.

It is a super-2 number, since 2×11540232² = 266353909227648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11540233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6319 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (441045).

Almost surely, 2^11540232 is an apocalyptic number.

11540232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11540232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17641800).

11540232 is an abundant number, since it is smaller than the sum of its proper divisors (23743368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11540232 is a wasteful number, since it uses less digits than its factorization.

11540232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11540232 is about 3397.0916973199. The cubic root of 11540232 is about 225.9807851677.

Adding to 11540232 its reverse (23204511), we get a palindrome (34744743).

The spelling of 11540232 in words is "eleven million, five hundred forty thousand, two hundred thirty-two".